Send messages between Windows 10, 7, 8, XP, Android and Mac OS X

The Popup LAN messenger program is designed to exchange messages between computers on a local area network. You can send messages and files to a single person or group of people at once. Don't have time for phone talks? Just install a local winpopup alternative software. You can send all notifications to your colleagues in your office or even another building in a real-time.